Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of spiral is as below...

Rifle :: Rifle (n.) A gun, the inside of whose barrel is grooved with spiral channels, thus giving the ball a rotary motion and insuring greater accuracy of fire. As a military firearm it has superseded the musket..

Ganoidei :: Ganoidei (n. pl.) One of the subclasses of fishes. They have an arterial cone and bulb, spiral intestinal valve, and the optic nerves united by a chiasma. Many of the species are covered with bony plates, or with ganoid scales; others have cycloid scales..

Serpula :: Serpula (n.) Any one of numerous species of tubicolous annelids of the genus Serpula and allied genera of the family Serpulidae. They secrete a calcareous tube, which is usually irregularly contorted, but is sometimes spirally coiled. The worm has a wreath of plumelike and often bright-colored gills around its head, and usually an operculum to close the aperture of its tube when it retracts..

Spirality :: Spiral (a.) Anything which has a spiral form, as a spiral shell..

Chalaza :: Chalaza (n.) A spiral band of thickened albuminous substance which exists in the white of the bird's egg, and serves to maintain the yolk in its position; the treadle..

Turban :: Turban (n.) The whole set of whorls of a spiral shell.

Trachelipoda :: Trachelipoda (n.pl.) An extensive artificial group of gastropods comprising all those which have a spiral shell and the foot attached to the base of the neck.

Spiral :: Spiral (a.) Winding round a cylinder or imaginary axis, and at the same time rising or advancing forward; winding like the thread of a screw; helical..

Spirally :: Spirality (n.) The quality or states of being spiral.

Rifle :: Rifle (v. t.) To grove; to channel; especially, to groove internally with spiral channels; as, to rifle a gun barrel or a cannon..

Multispiral :: Multispiral (a.) Having numerous spiral coils round a center or nucleus; -- said of the opercula of certain shells.

Heliciform :: Heliciform (a.) Having the form of a helix; spiral.

Peristome :: Peristome (n.) The lip, or edge of the aperture, of a spiral shell..

Spink :: Spinii-spirulate (a.) Having spines arranged spirally. See Spicule.

Snake :: Snake (v. t.) To wind round spirally, as a large rope with a smaller, or with cord, the small rope lying in the spaces between the strands of the large one; to worm..

Spire :: Spire (n.) A spiral; a curl; a whorl; a twist.

Scroll :: Scroll (n.) An ornament formed of undulations giving off spirals or sprays, usually suggestive of plant form. Roman architectural ornament is largely of some scroll pattern..

Gyration :: Gyration (n.) One of the whorls of a spiral univalve shell.

Ionic :: Ionic (a.) Pertaining to the Ionic order of architecture, one of the three orders invented by the Greeks, and one of the five recognized by the Italian writers of the sixteenth century. Its distinguishing feature is a capital with spiral volutes. See Illust. of Capital..

Turrilite :: Turrilite (n.) Any fossil ammonite of the genus Turrilites. The shell forms an open spiral with the later whorls separate.

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